5921557 has 4 divisors (see below), whose sum is σ = 6179040. Its totient is φ = 5664076.

The previous prime is 5921549. The next prime is 5921561. The reversal of 5921557 is 7551295.

5921557 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7551295 = 5 ⋅1510259.

It is a cyclic number.

It is not a de Polignac number, because 5921557 - 2³ = 5921549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5921257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128707 + ... + 128752.

It is an arithmetic number, because the mean of its divisors is an integer number (1544760).

Almost surely, 2^5921557 is an apocalyptic number.

It is an amenable number.

5921557 is a deficient number, since it is larger than the sum of its proper divisors (257483).

5921557 is a wasteful number, since it uses less digits than its factorization.

5921557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257482.

The product of its digits is 15750, while the sum is 34.

The square root of 5921557 is about 2433.4249526131. The cubic root of 5921557 is about 180.9166919206.

The spelling of 5921557 in words is "five million, nine hundred twenty-one thousand, five hundred fifty-seven".